Computer Science – Numerical Analysis
Scientific paper
Feb 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...244..259y&link_type=abstract
Astrophysical Journal, Part 1, vol. 244, Feb. 15, 1981, p. 259-268.
Computer Science
Numerical Analysis
54
Dwarf Stars, Eclipsing Binary Stars, Emission Spectra, Radial Velocity, Stellar Mass Accretion, Stellar Spectra, Absorption Spectra, Balmer Series, Infrared Spectra, Light Curve, Magnetohydrodynamic Waves, Numerical Analysis, Oxygen, Stellar Mass, Variable Stars
Scientific paper
Emission lines in the region 4045-4945 A are observed for nearly two complete orbits of Stepanyan's star. Three eclipses of the system are observed at 2.5 A spectral and 100 second time resolution. The spectral region 6800-9200 A is observed for one complete orbit at 10 A resolution. No absorption lines or bands from a red dwarf are observed, even at mid-eclipse. Absorption lines of O I are seen in the infrared, which are strongest at phases 0.4-0.5 and are invisible at mid-eclipse.
Schneider David P.
Shectman Stephen A.
Young Patrick
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